Posen, MI Mines
Mines in Posen, Michigan
| Mine | Owner | Land Status | Work Type | Minerals |
|---|---|---|---|---|
| Henry Dean & Sons | Private | Sand and Gravel | ||
| Presque Isle County Road Comm. Pit | County | Sand and Gravel | ||
| State of Michigan | State | Sand and Gravel | ||
| State of Michigan Pit | State | Sand and Gravel |